2245512173 has 2 divisors, whose sum is σ = 2245512174. Its totient is φ = 2245512172.

The previous prime is 2245512163. The next prime is 2245512179. The reversal of 2245512173 is 3712155422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2000057284 + 245454889 = 44722^2 + 15667^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245512173 - 2³⁰ = 1171770349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2245512179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122756086 + 1122756087.

It is an arithmetic number, because the mean of its divisors is an integer number (1122756087).

Almost surely, 2^2245512173 is an apocalyptic number.

It is an amenable number.

2245512173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245512173 is an equidigital number, since it uses as much as digits as its factorization.

2245512173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 32.

The square root of 2245512173 is about 47386.8354398139. The cubic root of 2245512173 is about 1309.4988998888.

Adding to 2245512173 its reverse (3712155422), we get a palindrome (5957667595).

The spelling of 2245512173 in words is "two billion, two hundred forty-five million, five hundred twelve thousand, one hundred seventy-three".